/**
 * Created with IntelliJ IDEA
 * Description:
 * User: SEKI TOMOKI
 * Date: 2023-09-10
 * Time: 17:45
 */
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        // 注意 hasNext 和 hasNextLine 的区别
        while (in.hasNextLine()) { // 注意 while 处理多个 case
            String s = in.nextLine();
            int index = s.lastIndexOf(" ");
            String subStr = s.substring(index + 1);
            System.out.println(subStr.length());

        }
    }
    }
}